biology and fertility life table of mahanarva fimbriolata (stål) (hemiptera: cercopidae) in sugarcane biologia e tabela de vida de fertilidade de mahanarva fimbriolata (stål) (hemiptera: cercopidae) em cana-de-açúcar

Clicks: 316
ID: 154570
2006
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Abstract
Mahanarva fimbriolata (Stål) (Hemiptera: Cercopidae) is the most important pest of sugarcane harvested without the use of fire to burn leaf trash. Its biology was studied for three generations in order to obtain basic information about its life cycle. A fertility life table was used to evaluate the quality of laboratory-reared insects. Data were obtained at a temperature of 25 ± 1ºC, RH of 70 ± 10%, and a 14-hour photophase. The incubation period lasted 21 days with a viability of 81%; the nymph stage had a duration of 37 days, with a 94% viability; the male and female longevities were 18 and 23 days, respectively, with a pre-oviposition period of 5 days and an oviposition period of 16 days, with a fecundity of 342 eggs, with a life-cycle (egg-adult) of 60 days. A net reproductive rate (Ro) of 131 females produced per female per generation was measured, with a finite rate of increase (lambda) of 1.085. The fertility life table proved to be adequate to be evaluate the quality of laboratory-reared M. fimbriolata populations.
A cigarrinha-das-raízes, Mahanarva fimbriolata (Stål) (Hemiptera: Cercopidae), é considerada a principal praga da cana-de-açúcar colhida sem despalha a fogo no Brasil. Neste trabalho, estudou-se sua biologia por três gerações, visando obter informações básicas sobre seu ciclo de vida. Para avaliar a qualidade dos insetos criados em laboratório utilizou-se a tabela de vida de fertilidade. Os dados foram obtidos sob temperatura de 25 ± 1ºC, UR de 70 ± 10% e fotofase de 14 horas. O período de incubação foi de 21 dias e a viabilidade de 81%; a duração da fase ninfal foi de 37 dias, com viabilidade de 94%; as longevidades de machos e de fêmeas foram de 18 e 23 dias respectivamente, com período de pré-oviposição de 5 dias e oviposição de 16 dias, com fecundidade de 342 ovos, com duração do ciclo de vida (ovo-adulto) de 60 dias. A taxa líquida de reprodução (Ro) foi de 131 fêmeas geradas por fêmea por geração e a taxa finita de aumento (lambda) de 1,085. A tabela de vida de fertilidade mostrou-se adequada para avaliar a qualidade de populações de M. fimbriolata mantidas em criação de laboratório.
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garcia2006scientiabiology Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;José Francisco Garcia;Paulo Sérgio Machado Botelho;José Roberto Postali Parra
Journal journal of the iranian chemical society
Year 2006
DOI
10.1590/S0103-90162006000400001
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162006000400001
Keywords
insecta fecundityagriculture (general)

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